Date: Wed, 14 Jun 2017 17:56:25 +0200 From: Peter Holm <peter@holm.cc> To: Sean Bruno <sbruno@freebsd.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r319921 - head/sys/net Message-ID: <20170614155625.GA98459@x2.osted.lan> In-Reply-To: <ecc2a497-bb25-ffa4-f63b-c179c819de53@freebsd.org> References: <201706132316.v5DNGdF2042725@repo.freebsd.org> <20170614091758.GA86374@x2.osted.lan> <dd626c3e-ce42-7359-717b-21ee1ef1d10d@freebsd.org> <20170614144623.GA96234@x2.osted.lan> <ecc2a497-bb25-ffa4-f63b-c179c819de53@freebsd.org>
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On Wed, Jun 14, 2017 at 09:21:30AM -0600, Sean Bruno wrote: > > > On 06/14/17 08:46, Peter Holm wrote: > > On Wed, Jun 14, 2017 at 08:38:36AM -0600, Sean Bruno wrote: > >> > >> > >> On 06/14/17 03:17, Peter Holm wrote: > >>> On Tue, Jun 13, 2017 at 11:16:39PM +0000, Sean Bruno wrote: > >>>> Author: sbruno > >>>> Date: Tue Jun 13 23:16:38 2017 > >>>> New Revision: 319921 > >>>> URL: https://svnweb.freebsd.org/changeset/base/319921 > >>>> > >>>> Log: > >>>> Add new sysctl to allow changing of timing of the txq timers. > >>>> > >>>> Add new sysctl to override use of busdma in the driver. > >>>> > >>>> Submitted by: Drew Gallitin <gallatin@netflix.com> > >>>> > >>>> Modified: > >>>> head/sys/net/iflib.c > >>>> > >>>> Modified: head/sys/net/iflib.c > >>>> ============================================================================== > >>>> --- head/sys/net/iflib.c Tue Jun 13 22:57:57 2017 (r319920) > >>> > >>> Could this be yours? > >>> > >>> panic: Assertion ifsd_m[next] == NULL failed at ../../../net/iflib.c:2927 > >>> cpuid = 12 > >>> time = 1497431647 > >>> KDB: stack backtrace: > >>> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe104fa993d0 > >>> vpanic() at vpanic+0x19c/frame 0xfffffe104fa99450 > >>> kassert_panic() at kassert_panic+0x126/frame 0xfffffe104fa994c0 > >>> iflib_txq_drain() at iflib_txq_drain+0xdf0/frame 0xfffffe104fa99640 > >>> drain_ring_lockless() at drain_ring_lockless+0xc0/frame 0xfffffe104fa996a0 > >>> ifmp_ring_enqueue() at ifmp_ring_enqueue+0x32e/frame 0xfffffe104fa99710 > >>> iflib_if_transmit() at iflib_if_transmit+0xb0/frame 0xfffffe104fa99750 > >>> ether_output() at ether_output+0x750/frame 0xfffffe104fa997f0 > >>> ip_output() at ip_output+0x14c3/frame 0xfffffe104fa99930 > >>> tcp_output() at tcp_output+0xf8c/frame 0xfffffe104fa99ad0 > >>> tcp_usr_send() at tcp_usr_send+0x3bd/frame 0xfffffe104fa99b40 > >>> sosend_generic() at sosend_generic+0x3ba/frame 0xfffffe104fa99bf0 > >>> clnt_vc_call() at clnt_vc_call+0x4b8/frame 0xfffffe104fa99d40 > >>> clnt_reconnect_call() at clnt_reconnect_call+0xe8/frame 0xfffffe104fa99de0 > >>> newnfs_request() at newnfs_request+0x1092/frame 0xfffffe104fa99f60 > >>> nfscl_request() at nfscl_request+0x5b/frame 0xfffffe104fa99fb0 > >>> nfsrpc_lookup() at nfsrpc_lookup+0x211/frame 0xfffffe104fa9a120 > >>> nfs_lookup() at nfs_lookup+0x463/frame 0xfffffe104fa9a460 > >>> VOP_LOOKUP_APV() at VOP_LOOKUP_APV+0xfe/frame 0xfffffe104fa9a490 > >>> lookup() at lookup+0x6e2/frame 0xfffffe104fa9a530 > >>> namei() at namei+0x534/frame 0xfffffe104fa9a5f0 > >>> kern_statat() at kern_statat+0x9b/frame 0xfffffe104fa9a800 > >>> freebsd11_lstat() at freebsd11_lstat+0x33/frame 0xfffffe104fa9a980 > >>> amd64_syscall() at amd64_syscall+0x564/frame 0xfffffe104fa9aab0 > >>> Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe104fa9aab0 > >>> --- syscall (190, FreeBSD ELF64, freebsd11_lstat), rip = 0x800910c7a, rsp = 0x7fffffffaed8, rbp = 0x7fffffffaf00 -- > >>> > >>> - Peter > >>> > >>> > >> > >> > >> Is this new of this morning (after I committed updates yesterday)? > >> > >> sean > >> > > > > It's with r319940M. I'm now using r319919 without this issue. > > > > Here's the full boot log: https://people.freebsd.org/~pho/iflib.txt > > > > - Peter > > > > > Did you have to run any tests or anything to get this to happen? > It varied slightly when I could get the panic. The one in the log was from just booting: Starting sshd. Starting sendmail_submit. Starting sendmail_msp_queue. Starting cron. Local package initialization:Jun 14 11:14:05 t1 ntpd[771]: leapsecond file ('/var/db/ntpd.leap-seconds.list'): expired less than 14 days ago panic: Assertion ifsd_m[next] == NULL failed at ../../../net/iflib.c:2927 - Peter
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